To open window the window is not closed under the impulse of the wind, it is easy to establish a kind of brake, which would not allow it to close, and left at least a crack. On the window and the window frame enough to attach a counter is a small single-pole magnets: pushing away from each other, they will preserve the cracks.
Recommend to read
USEFUL NOZZLE
Arsenal of nozzles for vacuum cleaner can be recharged for more homemade — from a Bicycle saddle. A small segment of it, put on the end of a metal pipe-duct will help to clean hard to...
VERTICAL DRILLING
In the journal "modelist-Konstruktor" No. 4 for 2008 have already been published, one of my small bench drill press. Now offers readers a different, in my opinion, a more versatile and...
